Pteris L.
Engl.: pteris.
Bot. syn.: Litobrochia C. Presl.

Pteris aquilina:

Pteris aquilina L., Polypodiaceae: See Pteridium aquilinum (L.) Kuhn.

Pteris atropurpurea:

Pteris atropurpurea L., Pteridaceae: See Pellaea atropurpurea (L.) Link.

I have no articles for this botanical term, but there might be some for the next level down (if found).